If you want a Cloud hosted tool, then Bitbucket will serve for Git and Mercurial repositories. I'd suggest checking at the features offered by Bitbucket at https://bitbucket.org/#features and also perform a free trial of it, so you can check how it's to work with it (Bitbucket is free for up to 5 users).
Please be aware of the repository size limit in Bitbucket - you can read further about this at https://blog.bitbucket.org/2014/05/30/repository-size-limits/
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